Make Conductive Glue and Glue a Circuit

Step 2 Mixing the Glue

After some experimentation, I have found that mixing the Carbon Graphite and liquid tape in a 1-1/2 to 1 ratio by volume, produces the lowest resistance. If you add more graphite than that, the painted line tends to become more brittle and can shrink and crack. An easy way to mix is to use several mixing cups and add 1-1/2 spoonfuls (using a 1/4 teaspoon) of the graphite into each cup. You can then wipe the measuring spoon and then slightly overfill it with the liquid tape. Pour and scrape this into one of the cups and mix up a batch. It is best to mix up one small batch at a time as it tends to dry very quickly and can get gummy fast. Mix it fast and be sure to get all the carbon mixed in well before you use the glass rod or a toothpick to apply it to the circuit you are creating.

WARNING: This process involves nasty solvents in the mixing process. Be sure to mix and apply either outside in the shade or inside in a VERY WELL VENTILATED AREA. Avoid contact with skin until the solvents have completely evaporated (The next day).

Comments

[DAVIDJ927]

I"m using a mixture of about 3/4 graphite to one part Elmer's glue to repair contact pads in my remote...they could be cleaned no more. So far seems to work fine. Thanks for the tip, I have about 4 bucks in the tube of graphite and glue.

[astrialkil]

Is this plane old white Elmer's or the blue jell?

[DAVIDJ927]

Plain old white elmer's, you have to experiment to get proper conductivity, you want a nice black... worked for me! Let me know....

[iectyx3c]

Thank you for sharing your years of experience, I have tried this exactly as you recommend and it works great and is much cheaper and just about as conductive as commercial brands.

For me, the 1.5 to 1 ratio is a tad confusing.

How about just 3 parts graphite to 2 parts liquid tape ?

It amounts to the same thing of course.

* Use a tiny measuring spoon
* Add 3 level spoonfuls of graphite to your mixing cup
* Wipe off the spoon
* Add 2 slightly overfilled spoonfuls of liquid tape

This I'ble is way above average. Good work.

[astrialkil]

You got something here! Its more accurate to put in 3 whole spoons then guess at 1.5 spoons as your going to use the same spoon, any spoon and not gunk up your dedicated measuring spoons.

[navanax]

thankyou so much for sharing fruit of your research here it is very helpful!!!

[ptacnik]

 is te glue flexible it will be really helpfull to know